html
body{
    height: 100%;
    margin: 0;
}
h1,
h2 {
    margin: 0;
}
p {
    margin: 0;
    padding: 0;
}
.core{
    width: 480px;
    height: 571px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -240px;
    margin-top: -285.5px;
}
h1{
    height: 62px;
    color: rgba(red, green, blue, alpha);
    font-size: 44px;
    font-weight: 400;
}
.share{
    margin-top: 13px;
    height: 34px;

}
h2{
    color: rgba(red, green, blue, alpha);
    font-size: 27px;
    font-weight: 400px;
    float: left;
}
.free-bright{
    float: right;
    color: dodgerblue;
    font-size: 23px;
    font-weight: 700;
}
form{
    margin-top: 63px;

}
input{
    width: 480px;
    height: 52px;
    border-radius: 4px;
    border: 1px solid #AAAAAA;
    padding: 15px 20px;
    box-sizing: border-box;
}
.password{
    margin-top: 32px;

}
select{
    width: 154px;
    height: 52px;
    border-radius: 4px;
    border: 1px solid #AAAAAA;
    padding: 15px 14px;
    box-sizing: border-box;
    margin-top: 24px;
}
.tel{
    width: 307px;
    height: 52px;
    border-radius: 4px;
    float: right;
    margin-top: 24px;
}
.mobile-find{
    margin-top: 10px;
    color: #AAAAAA;
    font-size: 13px;
    font-weight: 400;
    height: 14px;
}
.submit{
    margin-top: 38px;
    width: 478px;
    height: 60px;
    border-radius: 4px;
    border: 1px solid dodgerblue;
    background-color: dodgerblue;
    box-shadow: 0 5px 8px 0 balck;
    color: aliceblue;
    font-size: 24px;
    font-weight: 100;
    cursor: pointer;
}
.agreement{
    margin-top: 32px;

}
.agree{
    height: 18px;
    width: 18px;
}
label{
    height: 30px;
    color: #AAAAAA;
    font-size: 13px;
    font-weight: 400;
}